Monohybrid Dihybrid

Based on the genotypes present in this Monohybrid Punnett square, which eye color is dominant?

• brown

• blue

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Based on the results in the monohybrid punnett square, what is the percent chance of having a child with blue eyes?

• 75%

• 50%

• 25%

• 0%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

What is the term for a cross that involves just one trait, such as pod shape?

• test cross

• dihybrid cross

• monohybrid cross

• homozygous cross

This image is an example of a ________ cross.

• Monohybrid

• Dihybrid

• Purebred

• Heterozygous

Based on the results in the monohybrid punnett, what is the percent chance of having a child with blue eyes?

• 75%

• 50%

• 25%

• 0%

Tags

112.34.c.6.F

What is the phenotypic ratio for the monohybrid cross between blue and brown eyes?

• 3:1

• 2:2

• 0:2:1

• 1:2:1

In laboratory mice, gray coat color (G) is dominant over albino coat color (g). Cross a female Gg with a male gg.

c

d

b

a

G

g

g (left)

g (top)

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

In Jessica's family gene pool, brown eyes are dominant, and blue eyes are recessive. Jessica is heterozygous for brown eyes and her husband is heterozygous for brown eyes. Complete the Punnett to show the possible genotypes for their baby.

e

f

g

d

c

a

b

b (top)

B (side)

BB

Bb

bb

B (top)

b (side)

Tags

112.34.c.6.F

What are the possible genotypes for this cross?

• TT=25%, Tt=50%, tt=25%

• all tall

• TT=75%, tt=25%

• Tt=100%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Based on the results in the monohybrid punnett square, what is the genotypic ratio?

• 1:2:1

• 0:2:2

• 0:0:4

• none

Tags

NGSS.HS-LS3-2